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Published in: Graefe's Archive for Clinical and Experimental Ophthalmology 7/2009

01-07-2009 | Retinal Disorders

Drug reflux during posterior subtenon infusion of triamcinolone acetonide in diffuse diabetic macular edema not only brings insufficient reduction but also causes elevation of intraocular pressure

Authors: Masahiko Shimura, Kanako Yasuda, Toru Nakazawa, Takashi Shiono, Taiji Sakamoto, Kohji Nishida

Published in: Graefe's Archive for Clinical and Experimental Ophthalmology | Issue 7/2009

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Abstract

Background

At the time of posterior subtenon infusion of triamcinolone acetonide (STI-TA) in patients with diabetic macular edema (DME), drug reflux of TA has sometimes been observed from the conjunctival incision site. We investigated the influence of this reflux on regression of DME and postoperative intraocular pressure (IOP).

Methods

STI-TA was performed on one hundred and twenty-four eyes of 88 consecutive patients with DME. Eligible eyes were divided into two groups: those with observed drug reflux of TA and those without observed drug reflux of TA. Visual acuity (VA), foveal thickness (FT) and IOP were monitored in each eye for up to 12 weeks after STI-TA.

Results

STI-TA with drug reflux was observed in ten individual eyes of seven patients. These patients were significantly younger than those patients without observed drug reflux. After STI-TA, both improvement of VA and regression of FT in reflux(+) eyes were less than in reflux(-) eyes. Postoperative IOP elevation in reflux(+) eyes was much higher, and four of the ten eyes needed anti-glaucoma therapy. This was in contrast to three of the 118 eyes without drug reflux that required anti-glaucoma therapy.

Conclusions

At the time of STI-TA in DME, drug reflux of TA is a risk factor not only for insufficient reduction of edema, but also for postoperative IOP elevation.
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Metadata
Title
Drug reflux during posterior subtenon infusion of triamcinolone acetonide in diffuse diabetic macular edema not only brings insufficient reduction but also causes elevation of intraocular pressure
Authors
Masahiko Shimura
Kanako Yasuda
Toru Nakazawa
Takashi Shiono
Taiji Sakamoto
Kohji Nishida
Publication date
01-07-2009
Publisher
Springer-Verlag
Published in
Graefe's Archive for Clinical and Experimental Ophthalmology / Issue 7/2009
Print ISSN: 0721-832X
Electronic ISSN: 1435-702X
DOI
https://doi.org/10.1007/s00417-009-1074-x

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